Unlock the White House Watch newsletter for freeYour guide to what the 2024 US election means for Washington and the worldThe Trump administration’s embrace of cryptocurrencies is helping fuel a speculative mania that could cause “havoc” when prices collapse, the hedge fund Elliott Management has warned.The $70bn-in-assets firm took aim at the US government’s apparent enthusiasm for assets that have soared in price but have “no substance”, and also at politicians who are supportive of cryptocurr...